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EP4209810
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EP About this file: EP4209810
| EP4209810 - MULTICORE OPTICAL FIBER [Right-click to bookmark this link] | Status | Examination is in progress Status updated on 28.03.2025 Database last updated on 03.04.2025 | |
| Former | Request for examination was made Status updated on 09.06.2023 | ||
| Former | The international publication has been made Status updated on 11.03.2022 | Most recent event Tooltip | 02.04.2025 | New entry: Despatch of examination report + time limit | Applicant(s) | For all designated states Nippon Telegraph And Telephone Corporation 5-1, Otemachi 1-chome Chiyoda-ku Tokyo 100-8116 / JP | [2023/28] | Inventor(s) | 01 /
MATSUI, Takashi Musashino-shi, Tokyo 180-8585 / JP | 02 /
NAKAJIMA, Kazuhide Musashino-shi, Tokyo 180-8585 / JP | 03 /
SAKAMOTO, Taiji Musashino-shi, Tokyo 180-8585 / JP | 04 /
SAGAE, Yuto Musashino-shi, Tokyo 180-8585 / JP | [2023/28] | Representative(s) | Bobbert & Partner Patentanwälte PartmbB Postfach 1252 85422 Erding / DE | [2023/28] | Application number, filing date | 20952470.1 | 04.09.2020 | [2023/28] | WO2020JP33643 | Filing language | JA | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO2022049735 | Date: | 10.03.2022 | Language: | JA | [2022/10] | Type: | A1 Application with search report | No.: | EP4209810 | Date: | 12.07.2023 | Language: | EN | [2023/28] | Search report(s) | International search report - published on: | JP | 10.03.2022 | (Supplementary) European search report - dispatched on: | EP | 24.06.2024 | Classification | IPC: | G02B6/02, G02B6/036 | [2023/28] | CPC: |
G02B6/02042 (EP,US);
G02B6/0288 (US);
G02B6/02395 (EP);
G02B6/0365 (EP)
| Designated contracting states | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR [2023/28] | Title | German: | MEHRKERN-GLASFASER | [2023/28] | English: | MULTICORE OPTICAL FIBER | [2023/28] | French: | FIBRE OPTIQUE À ÂMES MULTIPLES | [2023/28] | Entry into regional phase | 03.03.2023 | Translation filed | 04.04.2023 | National basic fee paid | 04.04.2023 | Search fee paid | 04.04.2023 | Designation fee(s) paid | 04.04.2023 | Examination fee paid | Examination procedure | 04.04.2023 | Examination requested [2023/28] | 03.01.2025 | Amendment by applicant (claims and/or description) | 03.01.2025 | Date on which the examining division has become responsible | 01.04.2025 | Despatch of a communication from the examining division (Time limit: M04) | Fees paid | Renewal fee | 04.04.2023 | Renewal fee patent year 03 | 02.10.2023 | Renewal fee patent year 04 | 30.09.2024 | Renewal fee patent year 05 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [XA]US2011206331 (IMAMURA KATSUNORI [JP]); | [XAI]US2011274398 (FINI JOHN M [US], et al); | [IA]US2012163801 (TAKENAGA KATSUHIRO [JP], et al); | [IA]US2013243384 (MATSUO SHOICHIRO [JP], et al) | International search | [X]WO2010119930 (FURUKAWA ELECTRIC CO LTD [JP], et al); | [A]US2013039627 (LI GUIFANG [US], et al); | [X]WO2013051655 (FURUKAWA ELECTRIC CO LTD [JP], et al); | [X]JP2013097173 (NIPPON TELEGRAPH & TELEPHONE); | [X]WO2014087974 (SUMITOMO ELECTRIC INDUSTRIES [JP]); | [X]JP2015212791 (FUJIKURA LTD); | [X]JP2019152865 (FUJIKURA LTD); | [X]JP6715372B | by applicant | JPH0260806B | JP2020115191 |